04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7

Analysis

max time kernel
61s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
15/02/2023, 11:11

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General

Target

04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe
Size

277KB
MD5

a7a64892ce880081eac01969f799e1b5
SHA1

045406eea4de2631813f286debb8aa63e9cee607
SHA256

04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7
SHA512

33b1b1aeebe991dabb576639300f5848d1a37c2ca322b9b17c1def85c495f05dfaf75b36d5b8ef8c00db38694b941c29cab3eed9c352e8fabd0fbd392310ddb2
SSDEEP

3072:KNXEGZJWhfNFC4S60+XoLczrVmXpjt17cg2HjS+/fbC8DcGsIWH01ne4PKtxLK:YXzKdNY49u8rVCr9mjLHu8DcGQ01netO

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe

Executes dropped EXE 2 IoCs

pid	Process
4828	ITS SB App Switch.exe
4844	ITS SB App Switch.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/4976-132-0x0000000000B00000-0x0000000000BA0000-memory.dmp	upx
behavioral1/memory/4976-137-0x0000000000B00000-0x0000000000BA0000-memory.dmp	upx
behavioral1/memory/4976-138-0x0000000000B00000-0x0000000000BA0000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4976	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe
4976	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe
4976	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe
4976	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 4828	4976	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe	82
PID 4976 wrote to memory of 4828	4976	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe	82
PID 4976 wrote to memory of 4828	4976	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe	82
PID 4976 wrote to memory of 4844	4976	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe	83
PID 4976 wrote to memory of 4844	4976	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe	83
PID 4976 wrote to memory of 4844	4976	04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe	83

C:\Users\Admin\AppData\Local\Temp\04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe
"C:\Users\Admin\AppData\Local\Temp\04873c172aa46fad9c1d1a9fa06e3286d04153662bb47c062e8582bd42ab71c7.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:4828
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:4844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
memory/4976-132-0x0000000000B00000-0x0000000000BA0000-memory.dmp

Filesize
640KB

Download
memory/4976-137-0x0000000000B00000-0x0000000000BA0000-memory.dmp

Filesize
640KB

Download
memory/4976-138-0x0000000000B00000-0x0000000000BA0000-memory.dmp

Filesize
640KB

Download